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The nitrogen and phosphorus cycles — Homework
Use the exact cycle-step vocabulary from this week (fixation, nitrification, assimilation, ammonification, denitrification).
- 1.Put in order: assimilation, fixation, ammonification, nitrification.
- 2.Which cycle -- nitrogen or phosphorus -- has essentially no atmospheric gas phase?
- 3.Explain what nitrogen-fixing bacteria in legume root nodules actually do.
- 4.A field receives fertilizer containing both nitrogen and phosphorus, and heavy rain washes some into a nearby stream. Which nutrient cycle(s) are being disrupted?
- 5.Explain why farmers sometimes rotate a nitrogen-hungry crop with a legume crop like clover or soybeans.
🌲 Homeschool of the FutureTwelfth Grade · Science · week 8 homework